It’s the aliens

In the late 1950s, a group of Russians who were very experienced ski-hikers were discovered to have died on the slopes of the Mountain of Death, some of them frozen to death and others dead from massive physical trauma. They left their camp in the middle of the night, some without clothing or shoes, in sub-zero weather. What terror caused them to flee to their deaths?

Two apparently healthy men are found dead, wearing very suspicious lead eye masks, near Rio de Janeiro. All signs pointing to their plan to return home, so what happened to them? This story is rife with reports of UFO’s and Hitchhiker’s Guide to the Galaxy jokes.

On October 21, 1978 20 year old Frederick Valentich piloted his Cessna across the Bass Strait. He and his plane were never seen again but the final six minutes of his life were recorded in a conversation with the airport tower. The recording and transcript of that conversation have sparked a controversy that is still unsettled today.

The Stones of Carnac–a vast arrangement of menhirs in lines thousands of meters long, the purpose of the stones is an ancient mystery: necropolis? Calendar? Astronomical guide? Another mystery is the fate of the society that built them, which vanished without a trace.